NO

Items

Criterion

Testing Methods

1

Normal Capacity

100Ah

After Normal charge, discharge at 0.33C current to the cut-off voltage.

2

Internal Impedance

≤80mΩ

Using 1kHz AC internal resistance test instrument under the 50% SOC condition

3

Short circuit protection

Auto cut-off load after short circuit

Connect the output positive and negative of this battery pack with 0.1Ω resistance.

4

Cycle life @DOD100%

10000+ in lifetime, 3000 above 80% Capacity

After Normal charging， discharge at 0.33C current to the cut-off voltage, then stand for one hour. Repeat the above process until discharge exceeds 80% of the initial capacity.

5

Discharge temperature characteristic @0.33C

 -20℃(6h)

≥70%

 Capacity @specified temperature/Capacity @ 25℃=the percentage accord with criterion

0℃(6h)

≥80%

25℃(4h)

≥100%

55℃(4h)

≥95%

6

Capacity retention rate

≥96% remaining capacity
≥96%

After regular charging and open circuit for 28days at 25±5℃, discharging capacity shall meet the test requirements with 0.33C constant current discharge to cut-off voltage.

No

Item

Content

Criterion

4.1

Overcharge

Over-charge protection for each cell

3.7±0.025V

Over-charge release for each cell

3.6±0.05V

Over-charge release method

Under the release voltage

4.2

Over-discharge

Over-discharge protection of each cell

2.70±0.08V

Over-discharge release for each cell

2.80±0.1V

Over-discharge release method

recovering charge

4.3

Over Current

charge over current protection

105A Alarm，110A protection process starts

Discharge over current protection

105A Alarm，110A protection process starts
Discharge overcurrent protection delay time 1.0s

Short circuit protection

Yes

4.4

Temperature

Charge over temperature protection

65±3℃ protection process starts:
50±3℃ recovering charge

Charge under temperature protection

-0±3℃ protection process starts;
5±3℃ recovering charge

Discharge over temperature protection

65±3℃ protection process starts:
50±3℃ recovering charge

Discharge under temperature protection

-20±3℃ protection process starts:
-15±3℃ recovering charge